Quoting telekobold (2023-07-05 17:56:35)
> I'm operating two Tor bridges. When calling bridges.torproject.org, for one
> of
> the bridges (set up in March, 2023), there are three outputs:
> - obfs4: functional
> - a bandwidth ratio
> - a "last tested" entry.
> But for my second bridge (set up at the beginning of June 2023),
> bridges.torproject.org does not output a bandwidth ratio.
>
> What does this missing bandwidth ratio output mean, since everything else
> seems to be normal?
The bandwidth ratio is measured by onbasca[0]. Is a ratio of how fast is your
bridge compared to the rest of bridges, 1 means average (for some definition of
average), lower than 1 means is slower than others, higher than 1 means is
faster than others. rdsys uses that ratio to decide if some of the bridges
should not be distributed.
This is a recent setup (some months) and we are still testing it. It looks like
some bridges are failing to be tested by onbasca, we need to investigate
why[1].
rdsys will do distribute bridges without a bandwidth ratio, so your bridge
without it should be distributed normally as long as is functional.
[0] https://gitlab.torproject.org/tpo/network-health/onbasca/
[1] https://gitlab.torproject.org/tpo/network-health/onbasca/-/issues/157
> I am honestly not quite sure to what extent the fingerprint of the bridge is
> information worth protecting, or whether only the port and IP address need to
> be protected.
You should keep the fingerprint private, as it can be used to retrieve the port
and IP of the bridge. But is ok to publish the hashed fingerprint.
> By the way, I also don't understand why my two bridges don't have a higher
> advertised bandwidth - currently, it's 4.87MiB/s for one and 1.43MiB/s for
> the
> other relay. I never got the fast flag for either bridge yet, in contrast to
> my two "normal" relays. On both servers, at least 1.6GiB/s is available, and
> a
> monthly data throughput of several terabytes.
Bridges can not get a 'fast' flag, those flags are only for relays. The flag
comes from the bandwidth authority, but we don't run one for bridges.
> And, as a last issue, I didn't specify a distribution mechanism for my
> bridge,
> in the hope that the most suitable mechanism will be selected automatically.
> Initially, for one of my bridges (the one for which bridges.torproject.org
> outputs a bandwidth ratio) the bridge was assigned distribution mechanism
> "Moat". But suddenly, "None" is displayed under distribution mechanisms at
> metrics.torproject.org, which means that apparently the bridge is no longer
> distributed. What could be the reason that the distribution mechanism
> suddenly
> changed?
I don't know, as long as your bridge is functional it should have a
distribution
mechanism assigned. Do you mind sharing with me the hashed fingerprint of the
bridge to look at it? (it can be in private)
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